CN108569929A - Nitriding furnace roof material distributing method and its equipment for the production of lime nitrogen multifunctional fertilizer - Google Patents
Nitriding furnace roof material distributing method and its equipment for the production of lime nitrogen multifunctional fertilizer Download PDFInfo
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- CN108569929A CN108569929A CN201810461011.8A CN201810461011A CN108569929A CN 108569929 A CN108569929 A CN 108569929A CN 201810461011 A CN201810461011 A CN 201810461011A CN 108569929 A CN108569929 A CN 108569929A
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- CN
- China
- Prior art keywords
- blowpipe
- feed bin
- platform
- nitriding furnace
- nitrogen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C7/00—Fertilisers containing calcium or other cyanamides
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0084—Charging; Manipulation of SC or SC wafers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fertilizers (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
Abstract
A kind of nitriding furnace roof material distributing method for the production of lime nitrogen multifunctional fertilizer, it is related to lime nitrogen multifunctional fertilizer production technical field, it falls to distribution platform, blowpipe to platform is spread including broken mixing, pre- cloth, the push of rake plate at the uniform velocity blanking, material and blows reaction nitrogen, pendant is set, by reaction nitrogen impact dispersion, to be uniformly deposited in nitriding furnace to the material for spreading platform and wait processing steps；The present invention also provides the equipment of above-mentioned technological design, including feed bin, expects pipe, gas storehouse, blowpipe, rake plate, blowpipe axis and distribution platform；The present invention realizes that the heat exchange to distributing device cools down simultaneously by be used as dielectric gas using reaction nitrogen, being realized to the uniformly dispersing of material to react stream of nitrogen gas, reduces corresponding plant maintenance and use cost.
Description
Technical field：
The present invention relates to lime nitrogen multifunctional fertilizer production technical fields, more particularly to a kind of to be given birth to for lime nitrogen multifunctional fertilizer
The nitriding furnace roof material distributing method and its equipment of production.
Background technology：
Lime nitrogen is the mixture being made of nitrolim, calcium oxide etc., is a kind of alkaline fertilizer, it is also possible to make weeding
Agent, fungicide, agrochemical are given birth in such a way that the calcium carbide crushed is heated to 1100 degrees Celsius and is passed through nitrogen reaction at present
Production.
In the technical process for reacting manufacture lime nitrogen with calcium carbide via nitride stove, calcium carbide material needs are uniformly spread in nitrogen
Change in stove, it is therefore desirable to which distributing device is installed at the top of nitriding furnace.
In existing technique, which uses sliding type distributing device, and material is slided along inclined distributing device end, and is led to
Uniform distribution is realized in the rotation for crossing distributing device.The technology applies in calcium carbide nitriding furnace that there are the rotations of reaction temperature ablation distributing device
The lubricant grease problem of bearing, needs frequent supplemental lubrication grease and bearing is fragile, meanwhile, the cloth extended laterally under high temperature
The easy softening transform of device sliding slot, needs to be replaced frequently, and corresponding cost of equipment maintenance is higher.
Invention content：
Structure spreading is extended laterally in consideration of it, not depended on it is necessary to provide one kind, and can prevent apparatus for distributing from overheating
Distributing method and corresponding apparatus for distributing.
For the nitriding furnace roof material distributing method of lime nitrogen multifunctional fertilizer production, include the following steps：
Step 1：Calcium carbide is milled to 60 mesh hereinafter, being uniformly mixed with other additives；
Step 2：Mixed material is deposited in feed bin, material is pushed by harrowing plate, material is made to be dispersed in material
In storehouse；
Above-mentioned feed bin is bulk tank, and feed bin bottom surface center is provided with material-dropping hole, and rake plate is square plate, is close to expect on one side
Orlop face, rake plate are dynamic to push material by shaft rotation of material-dropping hole；
Step 3：After material is with rake plate rotation dispersion, continue by rake plate agitation movement, by falling when moving to feed bin centre
Material hole is fallen；
Step 4：Material is fallen to distribution platform；
Above-mentioned distribution platform is circular plate, is mounted below material-dropping hole；
Step 5：Blow reaction nitrogen using blowpipe makes material dispersion simultaneously to platform, impact pendant is spread to the material for spreading platform
Uniform settlement is in nitriding furnace；
In material-dropping hole center, blowpipe bottom end is mouthpiece for above-mentioned blowpipe setting, and mouthpiece is perpendicularly oriented to spread platform center；
Stream of nitrogen gas speed is reacted at mouthpiece and is not less than 3 metre per second (m/s)s, and blanking pore size, which is less than, spreads platform size, and it is straight to spread platform
4~5 centimetres of diameter.
Preferably, reaction stream of nitrogen gas also is moved downward along material-dropping hole in feed bin, the reaction stream of nitrogen gas through feed bin exists
Flow velocity is that the 13%~20% of nitrogen flow rate is reacted at mouthpiece at material-dropping hole；Further, material is by material-dropping hole falling speed
90~115 grams per minutes.
Preferably, it is provided with expects pipe below material-dropping hole, expects pipe bottom toe-in, material is at expects pipe bottom is with the convergence
Steering makes blanking direction be directed toward distribution platform center.
For the nitriding furnace roof material distributing equipment of lime nitrogen multifunctional fertilizer production, including：Feed bin, expects pipe, gas storehouse, blowpipe,
It harrows plate, blowpipe axis and spreads platform；Wherein, feed bin is cylindric vessel, and arrangement is in nitriding furnace center of top, feed bin bottom surface
Centre is provided with circular hole, and expects pipe connect with the circular hole and extends downwardly into nitriding furnace, feed bin top center arrangement installation gas storehouse, gas storehouse with
Circular hole is opened in demarcation strip center between feed bin, and gas-tight ring is equipped at the top of gas storehouse, and air inlet pipe is installed on gas storehouse top, and above-mentioned expects pipe is divided
Baffle central circular hole, gas-tight ring are coaxial, and blowpipe is arranged in along the axis in gas storehouse to the space of expects pipe bottom end, and the connection of blowpipe top is blown
Pipe axis, blowpipe axis are pierced by gas storehouse by gas-tight ring and connect transmission upwards；Rake plate is square plate, is vertically mounted on blowpipe side, is harrowed
Plate lower surface is bonded with feed bin bottom surface, and rake plate outer end is bonded with feed bin side wall.
When work, material is deposited in feed bin, and air inlet pipe leads to the reaction nitrogen of low temperature into gas storehouse, and blowpipe axis passes through blowpipe
Drive rake plate rotation, stir the material in feed bin, since peripheral velocity is poor, material rake plate stir it is lower gradually fall into expects pipe,
And come downwards to and spread on platform along expects pipe, the reaction nitrogen being passed through in gas storehouse is along blowpipe downlink and impacts distribution platform, smashes distribution platform
On material, to realize to the uniformly dispersing of material.
During being somebody's turn to do, without sealing between gas storehouse and feed bin, only by circular hole clearance control flow resistance between blowpipe and feed bin, gas storehouse；Nitrogen
Change radiant heat in stove on the high temperature of blowpipe expects pipe influence by reaction nitrogen by when heat exchange eliminate, to prevent heat upward
Blowpipe axle bearing is caused to overheat.
Blowpipe bottom end arc transition toe-in forms mouthpiece, to improve the speed that reaction nitrogen impact spreads platform, improves
Blanking uniformity, the formation of expects pipe bottom end arc transition toe-in fall mouth, reduce material do not contact spread that platform directly falls can
It can property；Mouthpiece circular arc with fall that mouthful circular arc is concentric to prevent material from being blocked between expects pipe and blowpipe, mouthpiece is higher than falling mouth；Spread platform installation
It is falling below mouth, size, which is more than, falls mouth.
Preferably, further include spreading platform connecting rod, spread platform connecting rod lower end and be connected and fixed with platform upper face center is spread,
It spreads platform connecting rod upper end to fix with blowpipe axis connection, does not use and spread the laterally attached mounting structure of platform to improve material distribution
Even property；Further, further include blowpipe cooling fin, blowpipe cooling fin has multiple, is mounted on blowpipe inner wall and spreads platform connecting rod
Between, which improves blowpipe and reacts the heat exchange efficiency between nitrogen, while improving and spreading platform connecting rod, spreading platform and blow
The bonding strength of pipe, prevents malformation.
The design should also include airtight feeding equipment, it is preferred that airtight feeding equipment have it is multiple, be mounted on feed bin at the top of,
Opposite blowpipe axis center is arranged symmetrically.
The present invention with reacting stream of nitrogen gas by be used as dielectric gas using reaction nitrogen, being realized to the uniform scattered of material
Cloth, and the heat exchange cooling to distributing device is realized simultaneously, reduce corresponding plant maintenance and use cost.
Description of the drawings：
Attached drawing 1 is the specific embodiment structural representation of the nitriding furnace roof material distributing equipment produced for lime nitrogen multifunctional fertilizer
Figure；
Attached drawing 2 is the specific embodiment plan structure of the nitriding furnace roof material distributing equipment produced for lime nitrogen multifunctional fertilizer
Schematic diagram；
Attached drawing 3 is the specific embodiment feed bin part of the nitriding furnace roof material distributing equipment produced for lime nitrogen multifunctional fertilizer
Overlooking structure diagram.
In figure：Feed bin 1, expects pipe 2 fall mouth 201, gas storehouse 3, gas-tight ring 301, air inlet pipe 302, blowpipe 4, mouthpiece 401, rake plate
5, blowpipe axis 6, distribution platform 7, distribution platform connecting rod 8, airtight feeding equipment 9, blowpipe cooling fin 10, nitriding furnace top 11.
Specific implementation mode：
For the nitriding furnace roof material distributing method of lime nitrogen multifunctional fertilizer production, include the following steps：
Step 1：Calcium carbide and other additives are milled to 60 mesh hereinafter, his additive includes melting down lime nitrogen etc., are mixed
It closes uniform；
Step 2：Mixed material is deposited in feed bin, material is pushed by harrowing plate, material is made to be dispersed in material
In storehouse；
Above-mentioned feed bin is bulk tank, and feed bin bottom surface center is provided with material-dropping hole, and rake plate is square plate, is close to expect on one side
Orlop face, rake plate are dynamic to push material by shaft rotation of material-dropping hole；
Step 3：After material is with rake plate rotation dispersion, continue by rake plate agitation movement, by falling when moving to feed bin centre
Material hole is fallen；
Step 4：Material is fallen to distribution platform；
Above-mentioned distribution platform is circular plate, is mounted below material-dropping hole；
Step 5：Blow reaction nitrogen using blowpipe makes material dispersion simultaneously to platform, impact pendant is spread to the material for spreading platform
Uniform settlement is in nitriding furnace；
In material-dropping hole center, blowpipe bottom end is mouthpiece for above-mentioned blowpipe setting, and mouthpiece is perpendicularly oriented to spread platform center；
Stream of nitrogen gas speed is reacted at mouthpiece and is not less than 3 metre per second (m/s)s, and blanking pore size, which is less than, spreads platform size, and it is straight to spread platform
4~5 centimetres of diameter.
Also reaction stream of nitrogen gas is moved downward along material-dropping hole in feed bin 1, the reaction stream of nitrogen gas through feed bin 1 is in material-dropping hole
It is that the 13%~20% of nitrogen flow rate is reacted at mouthpiece 401 to locate flow velocity.
Material is 90~115 grams per minutes by material-dropping hole falling speed.
Be provided with expects pipe 2 below material-dropping hole, 2 bottom toe-in formation of expects pipe falls mouth 201, material 2 bottom of expects pipe with
Falling the steering of mouth 201 makes blanking direction be directed toward 7 center of distribution platform.
For the nitriding furnace roof material distributing equipment of lime nitrogen multifunctional fertilizer production, including：Feed bin 1, gas storehouse 3, is blown at expects pipe 2
Pipe 4, blowpipe axis 6, spreads platform 7, spreads platform connecting rod 8, airtight feeding equipment 9, blowpipe cooling fin 10 rake plate 5；Wherein, feed bin 1
For cylindric vessel, arrangement is mounted on 11 center at the top of nitriding furnace, and 1 bottom surface center of feed bin is provided with circular hole, and expects pipe 2 connects with the circular hole
It connects and extends downwardly into nitriding furnace, 1 top center of feed bin arrangement installation gas storehouse 3, the demarcation strip center between gas storehouse 3 and feed bin 1 is opened
Circular hole, 3 top of gas storehouse are equipped with gas-tight ring 301, and air inlet pipe 302, above-mentioned expects pipe 2, demarcation strip center circle are installed in 3 top of gas storehouse
Hole, gas-tight ring 301 are coaxial, and blowpipe 4 is arranged in along the axis in gas storehouse 3 to the space of 2 bottom end of expects pipe, and 4 top of blowpipe connects blowpipe
Axis 6, blowpipe axis 6 are pierced by gas storehouse 3 by gas-tight ring 301 and connect transmission upwards；Rake plate 5 has four pieces, vertical to pacify to cut sharp square plate
Mounted in 4 side of blowpipe, rake 5 lower surface of plate is bonded with 1 bottom surface of feed bin, and rake 5 outer end of plate is bonded with 1 side wall of feed bin.
4 bottom end arc transition toe-in of blowpipe forms mouthpiece 401, and 2 bottom end arc transition toe-in formation of expects pipe is fallen
Mouthfuls 201,401 circular arc of mouthpiece and to fall 201 circular arc of mouth concentric, mouthpiece 401, which is higher than, falls mouth 201；Distribution platform 7, which is mounted on, to be fallen under mouth 201
Side, size, which is more than, falls mouth 201, spreads 8 lower end of platform connecting rod and is connected and fixed with 7 upper face center of platform is spread, spreads platform connecting rod 8
Upper end is connected and fixed with blowpipe axis 6；Blowpipe cooling fin 10 has multiple, is mounted on 4 inner wall of blowpipe and spreads between platform connecting rod 8；
There are three airtight feeding equipments 9, is mounted on 1 top of feed bin, and opposite blowpipe axis 6 is centrosymmetrically arranged.
Claims (8)
1. the nitriding furnace roof material distributing method for the production of lime nitrogen multifunctional fertilizer, which is characterized in that include the following steps：
Step 1：Calcium carbide is milled to 60 mesh hereinafter, being uniformly mixed with other additives；
Step 2：Mixed material is deposited in feed bin, material is pushed by harrowing plate, material is made to be dispersed in feed bin
It is interior；
Above-mentioned feed bin is bulk tank, and feed bin bottom surface center is provided with material-dropping hole, and rake plate is square plate, is close to feed bin bottom on one side
Face, rake plate are dynamic to push material by shaft rotation of material-dropping hole；
Step 3：After material is with rake plate rotation dispersion, continue by rake plate agitation movement, by material-dropping hole when moving to feed bin centre
It falls；
Step 4：Material is fallen to distribution platform；
Above-mentioned distribution platform is circular plate, is mounted below material-dropping hole；
Step 5：Reaction nitrogen is blowed using blowpipe to spreading platform, and impact pendant makes material dispersion and uniform to the material for spreading platform
It is deposited in nitriding furnace；
In material-dropping hole center, blowpipe bottom end is mouthpiece for above-mentioned blowpipe setting, and mouthpiece is perpendicularly oriented to spread platform center；
Stream of nitrogen gas speed is reacted at mouthpiece and is not less than 3 metre per second (m/s)s, and blanking pore size, which is less than, spreads platform size, spreads platform diameter 4
~5 centimetres.
2. the nitriding furnace roof material distributing method for the production of lime nitrogen multifunctional fertilizer as described in claim 1, which is characterized in that
Also reaction stream of nitrogen gas is moved downward along material-dropping hole in the feed bin, the flow velocity at material-dropping hole of the reaction stream of nitrogen gas through feed bin
To react the 13%~20% of nitrogen flow rate at mouthpiece.
3. the nitriding furnace roof material distributing method for the production of lime nitrogen multifunctional fertilizer as described in claim 1, which is characterized in that
The material is 90~115 grams per minutes by material-dropping hole falling speed.
4. the nitriding furnace roof material distributing method for the production of lime nitrogen multifunctional fertilizer as described in claim 1, which is characterized in that
Expects pipe, expects pipe bottom toe-in are provided with below the material-dropping hole, material makes blanking in expects pipe bottom with steering at the convergence
Direction, which is directed toward, spreads platform center.
5. the nitriding furnace roof material distributing equipment for the production of lime nitrogen multifunctional fertilizer, which is characterized in that including：Feed bin, expects pipe, gas
Storehouse, blowpipe, rake plate, blowpipe axis and distribution platform；
Wherein, feed bin is cylindric vessel, and arrangement is mounted on nitriding furnace center of top, and feed bin bottom surface center is provided with circular hole, expects pipe
It connect and is extended downwardly into nitriding furnace with the circular hole, feed bin top center arrangement installation gas storehouse, the demarcation strip between gas storehouse and feed bin
Circular hole is opened in center, and gas-tight ring is equipped at the top of gas storehouse, and air inlet pipe, above-mentioned expects pipe, demarcation strip central circular hole, gas are installed in gas storehouse top
Close ring is coaxial, and blowpipe is arranged in along the axis in gas storehouse to the space of expects pipe bottom end, and blowpipe top connects blowpipe axis, and blowpipe axis passes through
Gas-tight ring is pierced by gas storehouse and connects transmission upwards；Rake plate is square plate, is vertically mounted on blowpipe side, rake plate lower surface and feed bin bottom
Face paste is closed, and rake plate outer end is bonded with feed bin side wall；
Blowpipe bottom end arc transition toe-in forms mouthpiece, and arc transition toe-in formation in expects pipe bottom end falls mouth, mouthpiece circle
Arc with to fall mouthful circular arc concentric, mouthpiece is higher than falling mouth；Platform is spread mounted on falling below mouth, size, which is more than, falls mouth.
6. the nitriding furnace roof material distributing equipment for the production of lime nitrogen multifunctional fertilizer as claimed in claim 5, which is characterized in that
Further include spreading platform connecting rod, spread platform connecting rod lower end and be connected and fixed with platform upper face center is spread, spreads in platform connecting rod
End is fixed with blowpipe axis connection.
7. the nitriding furnace roof material distributing equipment for the production of lime nitrogen multifunctional fertilizer as claimed in claim 6, which is characterized in that
Further include blowpipe cooling fin, blowpipe cooling fin has multiple, is mounted on blowpipe inner wall and spreads between platform connecting rod.
8. the nitriding furnace roof material distributing equipment for the production of lime nitrogen multifunctional fertilizer as claimed in claim 5, which is characterized in that
Further include airtight feeding equipment, airtight feeding equipment is mounted at the top of feed bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461011.8A CN108569929B (en) | 2018-05-15 | 2018-05-15 | Nitriding furnace top material distribution method and equipment for producing lime nitrogen multifunctional fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461011.8A CN108569929B (en) | 2018-05-15 | 2018-05-15 | Nitriding furnace top material distribution method and equipment for producing lime nitrogen multifunctional fertilizer |
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| Publication Number | Publication Date |
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| CN108569929A true CN108569929A (en) | 2018-09-25 |
| CN108569929B CN108569929B (en) | 2021-04-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201888218U (en) * | 2010-09-21 | 2011-07-06 | 王行安 | Airflow counter-impact separating device for seaweed processing |
| CN102784757A (en) * | 2012-07-27 | 2012-11-21 | 安徽理工大学 | Efficient airflow classification fine-coal remover for power coal before selecting |
| CN204007091U (en) * | 2014-08-05 | 2014-12-10 | 丁立华 | A kind of lime nitrogen rotary furnace jet feeder |
| CN104495874A (en) * | 2015-01-06 | 2015-04-08 | 石静红 | Preparation method and application of lime nitrogen |
| CN105016359A (en) * | 2015-08-05 | 2015-11-04 | 平罗县祥美化工有限公司 | Granular lime nitrogen capable of quickly releasing fertilizer effect and production technology thereof |
-
2018
- 2018-05-15 CN CN201810461011.8A patent/CN108569929B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201888218U (en) * | 2010-09-21 | 2011-07-06 | 王行安 | Airflow counter-impact separating device for seaweed processing |
| CN102784757A (en) * | 2012-07-27 | 2012-11-21 | 安徽理工大学 | Efficient airflow classification fine-coal remover for power coal before selecting |
| CN204007091U (en) * | 2014-08-05 | 2014-12-10 | 丁立华 | A kind of lime nitrogen rotary furnace jet feeder |
| CN104495874A (en) * | 2015-01-06 | 2015-04-08 | 石静红 | Preparation method and application of lime nitrogen |
| CN105016359A (en) * | 2015-08-05 | 2015-11-04 | 平罗县祥美化工有限公司 | Granular lime nitrogen capable of quickly releasing fertilizer effect and production technology thereof |
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| CN108569929B (en) | 2021-04-06 |
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